Hey,

I've been writing some tutorials that might help people:



- One about using the ESP32 as an HID keyboard, great for prototyping & faking app-experiences.
Sequence 02.00_00_01_23.Still001.png

- One about communicating from ESP32 with P5 using Bluetooth Serial UART

chart.gif
Here the ...

I'm having exactly the same problems, both the
"BT: smp_br_connect_callback is called on unexpected transport 2" -> On a LEGO wedo2.0 device

and

"BT: bta_to_btc_uuid UUID len is invalid 0" When trying to add a notifier to it.

I'm using Arduino as the IDE and using modified code from https ...